1013320425269 has 2 divisors, whose sum is σ = 1013320425270. Its totient is φ = 1013320425268.

The previous prime is 1013320425233. The next prime is 1013320425281. The reversal of 1013320425269 is 9625240233101.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 609707982244 + 403612443025 = 780838^2 + 635305^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1013320425269 is a prime.

It is a super-2 number, since 2×1013320425269² (a number of 25 digits) contains 22 as substring.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1013320425769) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 506660212634 + 506660212635.

It is an arithmetic number, because the mean of its divisors is an integer number (506660212635).

Almost surely, 2^{1013320425269} is an apocalyptic number.

It is an amenable number.

1013320425269 is a deficient number, since it is larger than the sum of its proper divisors (1).

1013320425269 is an equidigital number, since it uses as much as digits as its factorization.

1013320425269 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 77760, while the sum is 38.

The spelling of 1013320425269 in words is "one trillion, thirteen billion, three hundred twenty million, four hundred twenty-five thousand, two hundred sixty-nine".